Electronics EC /2/2012. * In-class exams: 40% 7 th week exam 25% 12 th week exam 15%

Size: px
Start display at page:

Download "Electronics EC /2/2012. * In-class exams: 40% 7 th week exam 25% 12 th week exam 15%"

Transcription

1 Arab Academy for Science, Technology and Maritime Transport Electronics EC 331 Dr. Mohamed Hassan Course Assessment * In-class exams: 40% 7 th week exam 25% 12 th week exam 15% *Tutorial exams and activities: 10% (5%with 7 th week exam + 5%with 12 th week exam) * All term activity : 10% (with final) Progress within term (and or) or), Absence in Lecs & Secs (and-or), Bonuses in Lecs only, Dr. evaluation (and-or) and Extra projects-research. Final exam: 40% 1

2 Rules and educational hints (very important) You can view your marks and answer book in all exams any time according to model answer (viewed in Dr or TAs office hours). 25% of any sheet will not be solved intentionally.they will left for your home works OR class activities OR exams in sections OR exams of 7 th and 12 th. You have all wrights to ask about the 25% of previous point in TAs office hours and not in the day of exam and get the true solution but in condition of trying and working before asking. We will construct list contains each student name, Id and for each class. Each student will be responsible for checking his mail 2 times a week during the term for any upgrades related to our subject. Dr is not responsible for error mail- junk- or not giving mails. Dr will send material to each class and contact specific student if any matter happens during the term. Any problem just contact Dr. Bonus marks are allowed through good participation in lectures and good outside projects. Students that have lower than 26/50 by end of week 14 will be advised to make (w). (Dr. will send advise through the mail by end of week 14). You have to get the lectures with you each time (printed or on PDAs) to follow up. You have to be prepared for tutorials activities each time (calculatorpapers-pen 2

3 TEXT BOOKS: C.J.Savant, M.S.Rooden, G.L.Carpenter, Electronic Design, Addison Wesley Martin Rodan and Gordon Carpenter, " Electronic Design: from concept to reality REFERENCE BOOKS: Sedra & Smith, Microelectronic Circuits, 5 th edition, Boylestad, Nashelsky, Electronic Devices&circuit theory, Prentice Hall, 2005 Semiconductor Physics: Course Contents Studying semiconductors materials, Extrinsic i materials and semiconductor diodes. P-N junction diode: Theory of operation, Built-in potential, Forward and reverse connections, P-N junction as a circuit element, special diods and P-N junction diode Applications. BJT and MOSFET: Bipolar Junction Transistor (BJT) and Field Effect Transistor (FET) Electronic amplifiers and switches 3

4 Materials Types 1. INSULATORS An INSULATOR is any material that inhibits (stops) the flow of electrons (electricity). An insulator is any material with 5 to 8 free electrons in the outer ring. Because, atoms with 5 to 8 electrons in the outer ring are held (bound) tightly to the atom, they CANNOT be easily moved to another atom nor make room for more electrons. Insulator material includes glass, rubber, and plastic 2. CONDUCTORS Materials Types A CONDUCTOR is any material that easily allows electrons (electricity) to flow. A CONDUCTOR has 1 to 3 free electrons in the outer ring. Because atoms with 1 to 3 electrons in the outer ring are held (bound) loosely to the atom, they can easily move to another atom or make room for more electrons. Conductor material includes copper and gold 4

5 3. SEMICONDUCTORS Materials Types Any material with exactly 4 free electrons in the outer orbit are called SEMICONDUCTORS. A semiconductor is neither a conductor or insulator. Semiconductor material includes carbon, silicon, and germanium. These materials are be used in the manufacturer of diodes, transistors, and integrated circuit chips. Extrinsic Materials: n-type and p-type The characteristic of semiconductor can be altered by adding impurity through doping process (extrinsic material) Two type: 1) N-type 2) P-type 5

6 Extrinsic Materials : n-type N-type is created by introducing impurity elements that have five valence electrons (pentavalent) ex: antimony, arsenic, phosphorus. Note that four covalent bonds are still present, however there is additional fifth electron due to impurity atom. The remaining electron is free to move within the newly formed n-type material. Diffused impurities with five valence electrons are called donor atoms. Antimony impurity in n-type material Extrinsic Materials : p-type P-type is created by doping with impurity atoms having three valence electrons (boron- gallium, indium) Note that there are insufficient number of electrons to complete covalent bonds resulting a hole This hole is ready to accept a free electron The diffused impurities with three valence electrons are called acceptor atoms. Boron impurity in p-type material 6

7 Majority and Minority Carriers In an n-type material - electron is called majority carrier and hole the minority carrier In a p-type material hole is majority carrier and electron is the minority carrier Semiconductor Diode Semiconductor Diode Diode is formed by bringing these two material together p- and n-type. Holes diffuse from the p side to the n side, leaving behind negatively charged immobile negative ions. Electrons diffuse from the n side to the p side, leaving behind positively charged immobile positive ions. Electrons and holes at joined region will combine, resulting in a lack of carriers in the region near the junction (depletion region) 7

8 Reverse-Bias Condition (VD < 0V) Reverse-biased p-n junction Reverse-Bias Condition (VD < 0V) The number of positive ions in the depletion region of n-type will increase due to large number of free electrons drawn to the positive potential. The number of negative ions will increase in p-type resulting widening of depletion region. This region established great barrier for the majority carriers to overcome, resulting I majority =0 A very small amount of reverse current does flow, due to minority i carriers diffusingi from the (p/n) regions into the depletion region and drifting across the junction. 8

9 Forward-Bias Condition (VD > 0V) Forward-biased p-n junction Forward-Bias Condition (VD = 0V) A semiconductor diode is forward-biased when the association p-type and positive voltage and n-type and negative voltage has been established. The application of forward-bias potential will pressure the electrons in n-type and hole in p-type to recombine with ions near the boundary and reduce the width of depletion region The reduction in width of depletion region has resulted in a heavy majority flow across the junction 9

ECE 335: Electronic Engineering Lecture 2: Semiconductors

ECE 335: Electronic Engineering Lecture 2: Semiconductors Faculty of Engineering ECE 335: Electronic Engineering Lecture 2: Semiconductors Agenda Intrinsic Semiconductors Extrinsic Semiconductors N-type P-type Carrier Transport Drift Diffusion Semiconductors

More information

Lecture (02) PN Junctions and Diodes

Lecture (02) PN Junctions and Diodes Lecture (02) PN Junctions and Diodes By: Dr. Ahmed ElShafee ١ I Agenda N type, P type semiconductors N Type Semiconductor P Type Semiconductor PN junction Energy Diagrams of the PN Junction and Depletion

More information

ITT Technical Institute ET215 Devices I Unit 1

ITT Technical Institute ET215 Devices I Unit 1 ITT Technical Institute ET215 Devices I Unit 1 Chapter 1 Chapter 2, Sections 2.1-2.4 Chapter 1 Basic Concepts of Analog Circuits Recall ET115 & ET145 Ohms Law I = V/R If voltage across a resistor increases

More information

Electro - Principles I

Electro - Principles I Electro - Principles I Page 10-1 Atomic Theory It is necessary to know what goes on at the atomic level of a semiconductor so the characteristics of the semiconductor can be understood. In many cases a

More information

Lecture (02) Introduction to Electronics II, PN Junction and Diodes I

Lecture (02) Introduction to Electronics II, PN Junction and Diodes I Lecture (02) Introduction to Electronics II, PN Junction and Diodes I By: Dr. Ahmed ElShafee ١ Agenda Current in semiconductors/conductors N type, P type semiconductors N Type Semiconductor P Type Semiconductor

More information

3C3 Analogue Circuits

3C3 Analogue Circuits Department of Electronic & Electrical Engineering Trinity College Dublin, 2014 3C3 Analogue Circuits Prof J K Vij jvij@tcd.ie Lecture 1: Introduction/ Semiconductors & Doping 1 Course Outline (subject

More information

Electronic PRINCIPLES

Electronic PRINCIPLES MALVINO & BATES Electronic PRINCIPLES SEVENTH EDITION Chapter 2 Semiconductors Topics Covered in Chapter 2 Conductors Semiconductors Silicon crystals Intrinsic semiconductors Two types of flow Doping a

More information

CLASS 12th. Semiconductors

CLASS 12th. Semiconductors CLASS 12th Semiconductors 01. Distinction Between Metals, Insulators and Semi-Conductors Metals are good conductors of electricity, insulators do not conduct electricity, while the semiconductors have

More information

electronics fundamentals

electronics fundamentals electronics fundamentals circuits, devices, and applications THOMAS L. FLOYD DAVID M. BUCHLA Lesson 1: Diodes and Applications Semiconductors Figure 1-1 The Bohr model of an atom showing electrons in orbits

More information

Diodes. EE223 Digital & Analogue Electronics Derek Molloy 2012/2013.

Diodes. EE223 Digital & Analogue Electronics Derek Molloy 2012/2013. Diodes EE223 Digital & Analogue Electronics Derek Molloy 2012/2013 Derek.Molloy@dcu.ie Diodes: A Semiconductor? Conductors Such as copper, aluminium have a cloud of free electrons weak bound valence electrons

More information

Electronic Circuits for Mechatronics ELCT 609 Lecture 2: PN Junctions (1)

Electronic Circuits for Mechatronics ELCT 609 Lecture 2: PN Junctions (1) Electronic Circuits for Mechatronics ELCT 609 Lecture 2: PN Junctions (1) Assistant Professor Office: C3.315 E-mail: eman.azab@guc.edu.eg 1 Electronic (Semiconductor) Devices P-N Junctions (Diodes): Physical

More information

Lecture 0. EE206 Electronics I

Lecture 0. EE206 Electronics I Lecture 0 Course Overview EE206 Electronics I Course description: Theory, characteristics and operation of diodes, bipolar junction transistors and MOSFET transistors. When: Tue Thu 10:30-12:20 (Lectures)

More information

EE301 Electronics I , Fall

EE301 Electronics I , Fall EE301 Electronics I 2018-2019, Fall 1. Introduction to Microelectronics (1 Week/3 Hrs.) Introduction, Historical Background, Basic Consepts 2. Rewiev of Semiconductors (1 Week/3 Hrs.) Semiconductor materials

More information

PN Junction

PN Junction P Junction 2017-05-04 Definition Power Electronics = semiconductor switches are used Analogue amplifier = high power loss 250 200 u x 150 100 u Udc i 50 0 0 50 100 150 200 250 300 350 400 i,u dc i,u u

More information

ECE 142: Electronic Circuits Lecture 3: Semiconductors

ECE 142: Electronic Circuits Lecture 3: Semiconductors Faculty of Engineering ECE 142: Electronic Circuits Lecture 3: Semiconductors Agenda Intrinsic Semiconductors Extrinsic Semiconductors N-type P-type Carrier Transport Drift Diffusion Semiconductors A semiconductor

More information

SEMICONDUCTORS. Conductivity lies between conductors and insulators. The flow of charge in a metal results from the

SEMICONDUCTORS. Conductivity lies between conductors and insulators. The flow of charge in a metal results from the SEMICONDUCTORS Conductivity lies between conductors and insulators The flow of charge in a metal results from the movement of electrons Electros are negatively charged particles (q=1.60x10-19 C ) The outermost

More information

LECTURE 23. MOS transistor. 1 We need a smart switch, i.e., an electronically controlled switch. Lecture Digital Circuits, Logic

LECTURE 23. MOS transistor. 1 We need a smart switch, i.e., an electronically controlled switch. Lecture Digital Circuits, Logic LECTURE 23 Lecture 16-20 Digital Circuits, Logic 1 We need a smart switch, i.e., an electronically controlled switch 2 We need a gain element for example, to make comparators. The device of our dreams

More information

EE236 Electronics. Computer and Systems Engineering Department. Faculty of Engineering Alexandria University. Fall 2014

EE236 Electronics. Computer and Systems Engineering Department. Faculty of Engineering Alexandria University. Fall 2014 EE236 Electronics Computer and Systems Engineering Department Faculty of Engineering Alexandria University Fall 2014 Lecturer: Bassem Mokhtar, Ph.D. Assistant Professor Department of Electrical Engineering

More information

Lecture 2. Semiconductor Physics. Sunday 4/10/2015 Semiconductor Physics 1-1

Lecture 2. Semiconductor Physics. Sunday 4/10/2015 Semiconductor Physics 1-1 Lecture 2 Semiconductor Physics Sunday 4/10/2015 Semiconductor Physics 1-1 Outline Intrinsic bond model: electrons and holes Charge carrier generation and recombination Intrinsic semiconductor Doping:

More information

Introduction to Transistors. Semiconductors Diodes Transistors

Introduction to Transistors. Semiconductors Diodes Transistors Introduction to Transistors Semiconductors Diodes Transistors 1 Semiconductors Typical semiconductors, like silicon and germanium, have four valence electrons which form atomic bonds with neighboring atoms

More information

EXTRINSIC SEMICONDUCTOR

EXTRINSIC SEMICONDUCTOR EXTRINSIC SEMICONDUCTOR EXTRINSIC SEMICONDUCTOR A semiconductor in which the impurity atoms are added by doping process is called Extrinsic semiconductor. The addition of impurities increases the carrier

More information

Introduction to Semiconductor Devices

Introduction to Semiconductor Devices Physics 233 Experiment 48 Introduction to Semiconductor Devices References 1. G.W. Neudeck, The PN Junction Diode, Addison-Wesley MA 1989 2. Background notes (Appendix A) 3. Specification sheet for Diode

More information

Introduction to Semiconductor Devices

Introduction to Semiconductor Devices Physics 233 Experiment 48 Introduction to Semiconductor Devices References 1. G.W. Neudeck, The PN Junction Diode, Addison-Wesley MA 1989 2. Background notes (Appendix A) 3. Specification sheet for Diode

More information

Atoms? All matters on earth made of atoms (made up of elements or combination of elements).

Atoms? All matters on earth made of atoms (made up of elements or combination of elements). Chapter 1 Atoms? All matters on earth made of atoms (made up of elements or combination of elements). Atomic Structure Atom is the smallest particle of an element that can exist in a stable or independent

More information

A SEMICONDUCTOR DIODE. P-N Junction

A SEMICONDUCTOR DIODE. P-N Junction A SEMICONDUCTOR DIODE P-N Junction Analog Electronics Pujianto Department of Physics Edu. State University of Yogyakarta A Semiconductor Devices A Semiconductor devices can be defined as a unit which consists,

More information

Semiconductors (Chất1bán1dẫn)

Semiconductors (Chất1bán1dẫn) To describe the properties of n-type and p-type semiconductors and how a pn jun formed To study a diode and the characteristics of diode 1-1 Atomic Structure Atomic1Structure An atom is the smallest particle

More information

David J. Starling Penn State Hazleton PHYS 214

David J. Starling Penn State Hazleton PHYS 214 Being virtually killed by a virtual laser in a virtual space is just as effective as the real thing, because you are as dead as you think you are. -Douglas Adams, Mostly Harmless David J. Starling Penn

More information

Concept of Core IENGINEERS- CONSULTANTS LECTURE NOTES SERIES ELECTRONICS ENGINEERING 1 YEAR UPTU. Page 1

Concept of Core IENGINEERS- CONSULTANTS LECTURE NOTES SERIES ELECTRONICS ENGINEERING 1 YEAR UPTU. Page 1 Concept of Core Conductivity of conductor and semiconductor can also be explained by concept of Core. Core: Core is a part of an atom other than its valence electrons. Core consists of all inner shells

More information

First-Hand Investigation: Modeling of Semiconductors

First-Hand Investigation: Modeling of Semiconductors perform an investigation to model the behaviour of semiconductors, including the creation of a hole or positive charge on the atom that has lost the electron and the movement of electrons and holes in

More information

Contents CONTENTS. Page 2 of 47

Contents CONTENTS. Page 2 of 47 J. A. Hargreaves Lockerbie Academy June 2015 Contents CONTENTS Contents... 2 CHAPTER 7 CONDUCTORS, SEMICONDUCTORS AND INSULATORS... 4 Summary of Content... 4 Summary of this chapter- notes from column

More information

ELECTRONIC DEVICES AND CIRCUITS SUMMARY

ELECTRONIC DEVICES AND CIRCUITS SUMMARY ELECTRONIC DEVICES AND CIRCUITS SUMMARY Classification of Materials: Insulator: An insulator is a material that offers a very low level (or negligible) of conductivity when voltage is applied. Eg: Paper,

More information

Semiconductors 1. Explain different types of semiconductors in detail with necessary bond diagrams. Intrinsic semiconductors:

Semiconductors 1. Explain different types of semiconductors in detail with necessary bond diagrams. Intrinsic semiconductors: Semiconductors 1. Explain different types of semiconductors in detail with necessary bond diagrams. There are two types of semi conductors. 1. Intrinsic semiconductors 2. Extrinsic semiconductors Intrinsic

More information

Unit IV Semiconductors Engineering Physics

Unit IV Semiconductors Engineering Physics Introduction A semiconductor is a material that has a resistivity lies between that of a conductor and an insulator. The conductivity of a semiconductor material can be varied under an external electrical

More information

INFORMATION ABOUT THE COURSE

INFORMATION ABOUT THE COURSE KOM2751 Analog Electronics :: Dr. Muharrem Mercimek :: YTU - Control and Automation Dept. 1 INFORMATION ABOUT THE COURSE KOM2751 Analog Electronics KOM2751 Analog Electronics :: Dr. Muharrem Mercimek ::

More information

Engineering 2000 Chapter 8 Semiconductors. ENG2000: R.I. Hornsey Semi: 1

Engineering 2000 Chapter 8 Semiconductors. ENG2000: R.I. Hornsey Semi: 1 Engineering 2000 Chapter 8 Semiconductors ENG2000: R.I. Hornsey Semi: 1 Overview We need to know the electrical properties of Si To do this, we must also draw on some of the physical properties and we

More information

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems Lec 6: September 14, 2015 MOS Model You are Here: Transistor Edition! Previously: simple models (0 and 1 st order) " Comfortable

More information

Semiconductor Devices and Circuits Fall Midterm Exam. Instructor: Dr. Dietmar Knipp, Professor of Electrical Engineering. Name: Mat. -Nr.

Semiconductor Devices and Circuits Fall Midterm Exam. Instructor: Dr. Dietmar Knipp, Professor of Electrical Engineering. Name: Mat. -Nr. Semiconductor Devices and Circuits Fall 2003 Midterm Exam Instructor: Dr. Dietmar Knipp, Professor of Electrical Engineering Name: Mat. -Nr.: Guidelines: Duration of the Midterm: 1 hour The exam is a closed

More information

UNIVERSITY OF CALIFORNIA, BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences

UNIVERSITY OF CALIFORNIA, BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences UNIVERSITY OF CALIFORNIA, BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences EE 105: Microelectronic Devices and Circuits Spring 2008 MIDTERM EXAMINATION #1 Time

More information

Semiconductor Physics fall 2012 problems

Semiconductor Physics fall 2012 problems Semiconductor Physics fall 2012 problems 1. An n-type sample of silicon has a uniform density N D = 10 16 atoms cm -3 of arsenic, and a p-type silicon sample has N A = 10 15 atoms cm -3 of boron. For each

More information

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems Lec 6: September 18, 2017 MOS Model You are Here: Transistor Edition! Previously: simple models (0 and 1 st order) " Comfortable

More information

Introduction to Semiconductor Physics. Prof.P. Ravindran, Department of Physics, Central University of Tamil Nadu, India

Introduction to Semiconductor Physics. Prof.P. Ravindran, Department of Physics, Central University of Tamil Nadu, India Introduction to Semiconductor Physics 1 Prof.P. Ravindran, Department of Physics, Central University of Tamil Nadu, India http://folk.uio.no/ravi/cmp2013 Review of Semiconductor Physics Semiconductor fundamentals

More information

Chapter 1 INTRODUCTION SEMICONDUCTORS MATERIAL

Chapter 1 INTRODUCTION SEMICONDUCTORS MATERIAL Chapter 1 INTRODUCTION TO SEMICONDUCTORS MATERIAL Objectives Discuss basic structures of atoms Discuss properties of insulators, conductors, and semiconductors Discuss covalent bonding Describe the conductions

More information

Chapter 1 Overview of Semiconductor Materials and Physics

Chapter 1 Overview of Semiconductor Materials and Physics Chapter 1 Overview of Semiconductor Materials and Physics Professor Paul K. Chu Conductivity / Resistivity of Insulators, Semiconductors, and Conductors Semiconductor Elements Period II III IV V VI 2 B

More information

SRI VIDYA COLLEGE OF ENGINEERING AND TECHNOLOGY VIRUDHUNAGAR Department of Electronics and Communication Engineering

SRI VIDYA COLLEGE OF ENGINEERING AND TECHNOLOGY VIRUDHUNAGAR Department of Electronics and Communication Engineering SRI VIDYA COLLEGE OF ENGINEERING AND TECHNOLOGY VIRUDHUNAGAR Department of Electronics and Communication Engineering Class/Sem:I ECE/II Question Bank for EC6201-ELECTRONIC DEVICES 1.What do u meant by

More information

ELECTRONIC I Lecture 1 Introduction to semiconductor. By Asst. Prof Dr. Jassim K. Hmood

ELECTRONIC I Lecture 1 Introduction to semiconductor. By Asst. Prof Dr. Jassim K. Hmood ELECTRONIC I Lecture 1 Introduction to semiconductor By Asst. Prof Dr. Jassim K. Hmood SOLID-STATE ELECTRONIC MATERIALS Electronic materials generally can be divided into three categories: insulators,

More information

Semiconductors CHAPTER 3. Introduction The pn Junction with an Applied Voltage Intrinsic Semiconductors 136

Semiconductors CHAPTER 3. Introduction The pn Junction with an Applied Voltage Intrinsic Semiconductors 136 CHAPTER 3 Semiconductors Introduction 135 3.1 Intrinsic Semiconductors 136 3.2 Doped Semiconductors 139 3.3 Current Flow in Semiconductors 142 3.4 The pn Junction 148 3.5 The pn Junction with an Applied

More information

Diodes. anode. cathode. cut-off. Can be approximated by a piecewise-linear-like characteristic. Lecture 9-1

Diodes. anode. cathode. cut-off. Can be approximated by a piecewise-linear-like characteristic. Lecture 9-1 Diodes mplest nonlinear circuit element Basic operation sets the foundation for Bipolar Junction Transistors (BJTs) Also present in Field Effect Transistors (FETs) Ideal diode characteristic anode cathode

More information

Determination of properties in semiconductor materials by applying Matlab

Determination of properties in semiconductor materials by applying Matlab Determination of properties in semiconductor materials by applying Matlab Carlos Figueroa. 1, Raúl Riera A. 2 1 Departamento de Ingeniería Industrial. Universidad de Sonora A.P. 5-088, Hermosillo, Sonora.

More information

EE 446/646 Photovoltaic Devices I. Y. Baghzouz

EE 446/646 Photovoltaic Devices I. Y. Baghzouz EE 446/646 Photovoltaic Devices I Y. Baghzouz What is Photovoltaics? First used in about 1890, the word has two parts: photo, derived from the Greek word for light, volt, relating to electricity pioneer

More information

Processing of Semiconducting Materials Prof. Pallab Banerji Department of Material Science Indian Institute of Technology, Kharagpur

Processing of Semiconducting Materials Prof. Pallab Banerji Department of Material Science Indian Institute of Technology, Kharagpur Processing of Semiconducting Materials Prof. Pallab Banerji Department of Material Science Indian Institute of Technology, Kharagpur Lecture - 4 Doping in Semiconductors Good morning. Let us start with

More information

Semiconductors. Semiconductors also can collect and generate photons, so they are important in optoelectronic or photonic applications.

Semiconductors. Semiconductors also can collect and generate photons, so they are important in optoelectronic or photonic applications. Semiconductors Semiconducting materials have electrical properties that fall between true conductors, (like metals) which are always highly conducting and insulators (like glass or plastic or common ceramics)

More information

Review of Semiconductor Physics. Lecture 3 4 Dr. Tayab Din Memon

Review of Semiconductor Physics. Lecture 3 4 Dr. Tayab Din Memon Review of Semiconductor Physics Lecture 3 4 Dr. Tayab Din Memon 1 Electronic Materials The goal of electronic materials is to generate and control the flow of an electrical current. Electronic materials

More information

! Previously: simple models (0 and 1 st order) " Comfortable with basic functions and circuits. ! This week and next (4 lectures)

! Previously: simple models (0 and 1 st order)  Comfortable with basic functions and circuits. ! This week and next (4 lectures) ESE370: CircuitLevel Modeling, Design, and Optimization for Digital Systems Lec 6: September 14, 2015 MOS Model You are Here: Transistor Edition! Previously: simple models (0 and 1 st order) " Comfortable

More information

Electronics The basics of semiconductor physics

Electronics The basics of semiconductor physics Electronics The basics of semiconductor physics Prof. Márta Rencz, Gergely Nagy BME DED September 16, 2013 The basic properties of semiconductors Semiconductors conductance is between that of conductors

More information

! Previously: simple models (0 and 1 st order) " Comfortable with basic functions and circuits. ! This week and next (4 lectures)

! Previously: simple models (0 and 1 st order)  Comfortable with basic functions and circuits. ! This week and next (4 lectures) ESE370: CircuitLevel Modeling, Design, and Optimization for Digital Systems Lec 6: September 18, 2017 MOS Model You are Here: Transistor Edition! Previously: simple models (0 and 1 st order) " Comfortable

More information

Introduction to Electronics and Semiconductor

Introduction to Electronics and Semiconductor Introduction to Electronics and Semiconductor 1 Chapter Objectives To study and understand basic electronics. To study and understand semiconductor principles. 2 Definition Electronics is the branch of

More information

Semiconductor Devices, Fall Gunnar Malm, Associate Professor Integrated Devices and Circuits, Kista Campus

Semiconductor Devices, Fall Gunnar Malm, Associate Professor Integrated Devices and Circuits, Kista Campus Semiconductor Devices, Fall 2014 Gunnar Malm, Associate Professor Integrated Devices and Circuits, Kista Campus gunta@kth.se, 08-790 4332 Semiconductor procesing at KTH Electrum Laboratory Stepper Lithography

More information

n N D n p = n i p N A

n N D n p = n i p N A Summary of electron and hole concentration in semiconductors Intrinsic semiconductor: E G n kt i = pi = N e 2 0 Donor-doped semiconductor: n N D where N D is the concentration of donor impurity Acceptor-doped

More information

Qualitative Picture of the Ideal Diode. G.R. Tynan UC San Diego MAE 119 Lecture Notes

Qualitative Picture of the Ideal Diode. G.R. Tynan UC San Diego MAE 119 Lecture Notes Qualitative Picture of the Ideal Diode G.R. Tynan UC San Diego MAE 119 Lecture Notes Band Theory of Solids: From Single Attoms to Solid Crystals Isolated Li atom (conducting metal) Has well-defined, isolated

More information

ECE 250 Electronic Devices 1. Electronic Device Modeling

ECE 250 Electronic Devices 1. Electronic Device Modeling ECE 250 Electronic Devices 1 ECE 250 Electronic Device Modeling ECE 250 Electronic Devices 2 Introduction to Semiconductor Physics You should really take a semiconductor device physics course. We can only

More information

ISSUES TO ADDRESS...

ISSUES TO ADDRESS... Chapter 12: Electrical Properties School of Mechanical Engineering Choi, Hae-Jin Materials Science - Prof. Choi, Hae-Jin Chapter 12-1 ISSUES TO ADDRESS... How are electrical conductance and resistance

More information

Lecture 1. OUTLINE Basic Semiconductor Physics. Reading: Chapter 2.1. Semiconductors Intrinsic (undoped) silicon Doping Carrier concentrations

Lecture 1. OUTLINE Basic Semiconductor Physics. Reading: Chapter 2.1. Semiconductors Intrinsic (undoped) silicon Doping Carrier concentrations Lecture 1 OUTLINE Basic Semiconductor Physics Semiconductors Intrinsic (undoped) silicon Doping Carrier concentrations Reading: Chapter 2.1 EE105 Fall 2007 Lecture 1, Slide 1 What is a Semiconductor? Low

More information

BASIC ELECTRONICS CONDUCTION IN SEMICONDUCTORS

BASIC ELECTRONICS CONDUCTION IN SEMICONDUCTORS BASIC ELECTRONICS Subject Code: ELN-15/5 IA marks: 5 Hours per week : 04 Exam Hours 03 Total Hrs: 5 Exam Marks: 100 CHAPTER 1 CONDUCTION IN SEMICONDUCTORS Electrons and holes in an intrinsic semiconductors,

More information

EE105 Fall 2015 Microelectronic Devices and Circuits: Semiconductor Fabrication and PN Junctions

EE105 Fall 2015 Microelectronic Devices and Circuits: Semiconductor Fabrication and PN Junctions EE105 Fall 2015 Microelectronic Devices and Circuits: Semiconductor Fabrication and PN Junctions Prof. Ming C. Wu wu@eecs.berkeley.edu 511 Sutardja Dai Hall (SDH) 1 pn Junction p-type semiconductor in

More information

Introduction to Power Semiconductor Devices

Introduction to Power Semiconductor Devices ECE442 Power Semiconductor Devices and Integrated Circuits Introduction to Power Semiconductor Devices Zheng Yang (ERF 3017, email: yangzhen@uic.edu) Power Semiconductor Devices Applications System Ratings

More information

FREQUENTLY ASKED QUESTIONS February 21, 2017

FREQUENTLY ASKED QUESTIONS February 21, 2017 FREQUENTLY ASKED QUESTIONS February 21, 2017 Content Questions How do you place a single arsenic atom with the ratio 1 in 100 million? Sounds difficult to get evenly spread throughout. Yes, techniques

More information

SOLID STATE ELECTRONICS DIGITAL ELECTRONICS SOFT CONDENSED MATTER PHYSICS

SOLID STATE ELECTRONICS DIGITAL ELECTRONICS SOFT CONDENSED MATTER PHYSICS SOLID STATE ELECTRONICS DIGITAL ELECTRONICS SOFT CONDENSED MATTER PHYSICS The energy band occupied by the valence electrons is called valence band and is the highest filled band. Bnd occupied by the electrons

More information

12/10/09. Chapter 18: Electrical Properties. View of an Integrated Circuit. Electrical Conduction ISSUES TO ADDRESS...

12/10/09. Chapter 18: Electrical Properties. View of an Integrated Circuit. Electrical Conduction ISSUES TO ADDRESS... Chapter 18: Electrical Properties ISSUES TO ADDRESS... How are electrical conductance and resistance characterized? What are the physical phenomena that distinguish? For metals, how is affected by and

More information

CEMTool Tutorial. Semiconductor physics

CEMTool Tutorial. Semiconductor physics EMTool Tutorial Semiconductor physics Overview This tutorial is part of the EMWARE series. Each tutorial in this series will teach you a specific topic of common applications by explaining theoretical

More information

CLASS 1 & 2 REVISION ON SEMICONDUCTOR PHYSICS. Reference: Electronic Devices by Floyd

CLASS 1 & 2 REVISION ON SEMICONDUCTOR PHYSICS. Reference: Electronic Devices by Floyd CLASS 1 & 2 REVISION ON SEMICONDUCTOR PHYSICS Reference: Electronic Devices by Floyd 1 ELECTRONIC DEVICES Diodes, transistors and integrated circuits (IC) are typical devices in electronic circuits. All

More information

1 Name: Student number: DEPARTMENT OF PHYSICS AND PHYSICAL OCEANOGRAPHY MEMORIAL UNIVERSITY OF NEWFOUNDLAND. Fall :00-11:00

1 Name: Student number: DEPARTMENT OF PHYSICS AND PHYSICAL OCEANOGRAPHY MEMORIAL UNIVERSITY OF NEWFOUNDLAND. Fall :00-11:00 1 Name: DEPARTMENT OF PHYSICS AND PHYSICAL OCEANOGRAPHY MEMORIAL UNIVERSITY OF NEWFOUNDLAND Final Exam Physics 3000 December 11, 2012 Fall 2012 9:00-11:00 INSTRUCTIONS: 1. Answer all seven (7) questions.

More information

ECE 305 Exam 2: Spring 2017 March 10, 2017 Muhammad Alam Purdue University

ECE 305 Exam 2: Spring 2017 March 10, 2017 Muhammad Alam Purdue University NAME: PUID: : ECE 305 Exam 2: Spring 2017 March 10, 2017 Muhammad Alam Purdue University This is a closed book exam You may use a calculator and the formula sheet Following the ECE policy, the calculator

More information

ECE335F: Electronic Devices Syllabus. Lecture*

ECE335F: Electronic Devices Syllabus. Lecture* Lecture 1 - Introduction: Course Overview 1 - Introduction: Course Overview 2 1 Crystal Structure of Solids 2 1 Crystal Structure of Solids 1.1 Semiconductor materials 1.1 Semiconductor materials 1.2 Types

More information

Higher Physics. Electricity. Summary Notes. Monitoring and measuring a.c. Current, potential difference, power and resistance

Higher Physics. Electricity. Summary Notes. Monitoring and measuring a.c. Current, potential difference, power and resistance Higher Physics Electricity Summary Notes Monitoring and measuring a.c. Current, potential difference, power and resistance Electrical sources and internal resistance Capacitors Conductors, semiconductors

More information

EECS130 Integrated Circuit Devices

EECS130 Integrated Circuit Devices EECS130 Integrated Circuit Devices Professor Ali Javey 9/18/2007 P Junctions Lecture 1 Reading: Chapter 5 Announcements For THIS WEEK OLY, Prof. Javey's office hours will be held on Tuesday, Sept 18 3:30-4:30

More information

Semiconductor Physics fall 2012 problems

Semiconductor Physics fall 2012 problems Semiconductor Physics fall 2012 problems 1. An n-type sample of silicon has a uniform density N D = 10 16 atoms cm -3 of arsenic, and a p-type silicon sample has N A = 10 15 atoms cm -3 of boron. For each

More information

1st Year-Computer Communication Engineering-RUC. 4- P-N Junction

1st Year-Computer Communication Engineering-RUC. 4- P-N Junction 4- P-N Junction We begin our study of semiconductor devices with the junction for three reasons. (1) The device finds application in many electronic systems, e.g., in adapters that charge the batteries

More information

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems. Today MOS MOS. Capacitor. Idea

ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems. Today MOS MOS. Capacitor. Idea ESE370: Circuit-Level Modeling, Design, and Optimization for Digital Systems Day 9: September 26, 2011 MOS Model Today MOS Structure Basic Idea Semiconductor Physics Metals, insulators Silicon lattice

More information

EE 330 Lecture 13. Devices in Semiconductor Processes. Diodes

EE 330 Lecture 13. Devices in Semiconductor Processes. Diodes EE 330 Lecture 13 evices in Semiconductor Processes iodes Exam 1 Friday Sept 22 Students may bring 1 page of notes Next weeks HW assignment due on Wed Sept 20 at beginning of class No 5:00 p.m extension

More information

SEMICONDUCTOR DIODE. Unbiased (non-polarized) PN junction

SEMICONDUCTOR DIODE. Unbiased (non-polarized) PN junction SEMICONDUCTOR DIODE Semiconductor diode is an electronic element made of different types of extrinsic semiconductor: N-type semiconductor doped by donor impurities and P-type semiconductor doped by acceptor

More information

CSCB58:Computer Organization

CSCB58:Computer Organization CSC58:Computer Organization Instructor: rian Harrington brian.harrington@utsc.utoronto.ca * Original slides by Steve Engels Why take CSC58? To better understand computers! See what's going on "under the

More information

16EC401 BASIC ELECTRONIC DEVICES UNIT I PN JUNCTION DIODE. Energy Band Diagram of Conductor, Insulator and Semiconductor:

16EC401 BASIC ELECTRONIC DEVICES UNIT I PN JUNCTION DIODE. Energy Band Diagram of Conductor, Insulator and Semiconductor: 16EC401 BASIC ELECTRONIC DEVICES UNIT I PN JUNCTION DIODE Energy bands in Intrinsic and Extrinsic silicon: Energy Band Diagram of Conductor, Insulator and Semiconductor: 1 2 Carrier transport: Any motion

More information

KATIHAL FİZİĞİ MNT-510

KATIHAL FİZİĞİ MNT-510 KATIHAL FİZİĞİ MNT-510 YARIİLETKENLER Kaynaklar: Katıhal Fiziği, Prof. Dr. Mustafa Dikici, Seçkin Yayıncılık Katıhal Fiziği, Şakir Aydoğan, Nobel Yayıncılık, Physics for Computer Science Students: With

More information

Spring Semester 2012 Final Exam

Spring Semester 2012 Final Exam Spring Semester 2012 Final Exam Note: Show your work, underline results, and always show units. Official exam time: 2.0 hours; an extension of at least 1.0 hour will be granted to anyone. Materials parameters

More information

Digital Electronics Part II - Circuits

Digital Electronics Part II - Circuits Digital Electronics Part - Circuits Dr.. J. Wassell Gates from Transistors ntroduction Logic circuits are non-linear, consequently we will introduce a graphical technique for analysing such circuits The

More information

ECE 440 Lecture 20 : PN Junction Electrostatics II Class Outline:

ECE 440 Lecture 20 : PN Junction Electrostatics II Class Outline: ECE 440 Lecture 20 : PN Junction Electrostatics II Class Outline: Depletion Approximation Step Junction Things you should know when you leave Key Questions What is the space charge region? What are the

More information

B. Both A and R are correct but R is not correct explanation of A. C. A is true, R is false. D. A is false, R is true

B. Both A and R are correct but R is not correct explanation of A. C. A is true, R is false. D. A is false, R is true 1. Assertion (A): A demultiplexer can be used as a decode r. Reason (R): A demultiplexer can be built by using AND gates only. A. Both A and R are correct and R is correct explanation of A B. Both A and

More information

L03: pn Junctions, Diodes

L03: pn Junctions, Diodes 8/30/2012 Page 1 of 5 Reference:C:\Users\Bernhard Boser\Documents\Files\Lib\MathCAD\Default\defaults.mcd L03: pn Junctions, Diodes Intrinsic Si Q: What are n, p? Q: Is the Si charged? Q: How could we make

More information

Semiconductor Physics Problems 2015

Semiconductor Physics Problems 2015 Semiconductor Physics Problems 2015 Page and figure numbers refer to Semiconductor Devices Physics and Technology, 3rd edition, by SM Sze and M-K Lee 1. The purest semiconductor crystals it is possible

More information

Semiconductor Detectors

Semiconductor Detectors Semiconductor Detectors Summary of Last Lecture Band structure in Solids: Conduction band Conduction band thermal conductivity: E g > 5 ev Valence band Insulator Charge carrier in conductor: e - Charge

More information

Junction Diodes. Tim Sumner, Imperial College, Rm: 1009, x /18/2006

Junction Diodes. Tim Sumner, Imperial College, Rm: 1009, x /18/2006 Junction Diodes Most elementary solid state junction electronic devices. They conduct in one direction (almost correct). Useful when one converts from AC to DC (rectifier). But today diodes have a wide

More information

ECE 340 Lecture 27 : Junction Capacitance Class Outline:

ECE 340 Lecture 27 : Junction Capacitance Class Outline: ECE 340 Lecture 27 : Junction Capacitance Class Outline: Breakdown Review Junction Capacitance Things you should know when you leave M.J. Gilbert ECE 340 Lecture 27 10/24/11 Key Questions What types of

More information

Electronic Circuits 1. Transistor Devices. Contents BJT and FET Characteristics Operations. Prof. C.K. Tse: Transistor devices

Electronic Circuits 1. Transistor Devices. Contents BJT and FET Characteristics Operations. Prof. C.K. Tse: Transistor devices Electronic Circuits 1 Transistor Devices Contents BJT and FET Characteristics Operations 1 What is a transistor? Three-terminal device whose voltage-current relationship is controlled by a third voltage

More information

Charge Carriers in Semiconductor

Charge Carriers in Semiconductor Charge Carriers in Semiconductor To understand PN junction s IV characteristics, it is important to understand charge carriers behavior in solids, how to modify carrier densities, and different mechanisms

More information

A semiconductor is an almost insulating material, in which by contamination (doping) positive or negative charge carriers can be introduced.

A semiconductor is an almost insulating material, in which by contamination (doping) positive or negative charge carriers can be introduced. Semiconductor A semiconductor is an almost insulating material, in which by contamination (doping) positive or negative charge carriers can be introduced. Page 2 Semiconductor materials Page 3 Energy levels

More information

6.012 Electronic Devices and Circuits

6.012 Electronic Devices and Circuits Page 1 of 1 YOUR NAME Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology 6.12 Electronic Devices and Circuits Exam No. 1 Wednesday, October 7, 29 7:3 to 9:3

More information

EE 330 Lecture 12. Devices in Semiconductor Processes. Resistors Diodes

EE 330 Lecture 12. Devices in Semiconductor Processes. Resistors Diodes EE 330 Lecture 12 evices in Semiconductor Processes Resistors iodes Exam 1 Friday Feb 16 Students may bring 1 page of notes HW assignment of week of Feb 11 due on Wed Sfeb 14 at beginning of class No 5:00

More information

ECE 305 Exam 3: Spring 2015 March 6, 2015 Mark Lundstrom Purdue University

ECE 305 Exam 3: Spring 2015 March 6, 2015 Mark Lundstrom Purdue University NAME: PUID: : ECE 305 Exam 3: March 6, 2015 Mark Lundstrom Purdue University This is a closed book exam You may use a calculator and the formula sheet at the end of this exam Following the ECE policy,

More information

For the following statements, mark ( ) for true statement and (X) for wrong statement and correct it.

For the following statements, mark ( ) for true statement and (X) for wrong statement and correct it. Benha University Faculty of Engineering Shoubra Electrical Engineering Department First Year communications. Answer all the following questions Illustrate your answers with sketches when necessary. The

More information

Key Questions. ECE 340 Lecture 6 : Intrinsic and Extrinsic Material I 9/10/12. Class Outline: Effective Mass Intrinsic Material

Key Questions. ECE 340 Lecture 6 : Intrinsic and Extrinsic Material I 9/10/12. Class Outline: Effective Mass Intrinsic Material 9/1/1 ECE 34 Lecture 6 : Intrinsic and Extrinsic Material I Class Outline: Things you should know when you leave Key Questions What is the physical meaning of the effective mass What does a negative effective

More information